Protective Relaying: Principles And Applications, Second Edition (Power Engineering, 5) Book Pdf
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Protective Relaying: Principles and Applications, Second Edition - A Comprehensive Guide for Power System Protection
Protective relaying is the science and art of detecting and clearing faults in power systems. It is essential for ensuring the reliability, security and safety of electric power supply. Protective relaying involves the design, installation, operation and maintenance of protective devices, such as relays, circuit breakers, fuses and transformers, that monitor and control the flow of electric power.
One of the most authoritative and comprehensive books on this topic is Protective Relaying: Principles and Applications, Second Edition, by J. Lewis Blackburn and Thomas J. Domin. This book covers large and small utility systems as well as industrial and commercial systems. It provides a completely new treatment of generator protection in compliance with governmental rules and regulations and supplies expanded information on symmetrical components. The book also delineates individual protection practices for all equipment components; furnishes an overview of power system grounding, including system ferroresonance and safety grounding basics; analyzes power system performance during abnormal conditions; describes the relationship of input source performance to protection; and much more.
The book is divided into 15 chapters that cover the following topics:
Introduction and general philosophies of protective relaying
Per unit and percent values
Relay input sources
Protection fundamentals and basic design principles
System grounding principles
Utility and nonutility owned generation
Transformer protection
Bus protection
Motor protection
Line protection
Pilot protection
Stability, reclosing and load shedding
Digital relaying
Microprocessor-based relays
Testing of protective systems
The book also includes numerous problems, examples, figures, tables and references to help readers understand and apply the concepts and techniques of protective relaying. The book is suitable for undergraduate and graduate students, engineers, technicians, consultants and researchers who are interested in learning about the principles and applications of protective relaying.
If you want to download a PDF version of this book, you can search for it online using the keyword \"Protective Relaying: Principles and Applications, Second Edition (Power Engineering, 5) book pdf\". You may find some websites that offer free or paid downloads of this book. However, please be aware that some of these websites may not be authorized or legal sources of this book. Therefore, we recommend that you purchase a copy of this book from a reputable publisher or online bookstore to support the authors and respect their intellectual property rights.
In this section, we will briefly review some of the key concepts and terms related to protective relaying. These include:
Faults: Faults are abnormal conditions in a power system that cause an interruption or a deviation from the normal flow of electric power. Faults can be classified into different types, such as short circuits, open circuits, ground faults, arc faults and transient faults. Faults can cause damage to equipment, loss of service, instability and even blackouts.
Relays: Relays are devices that detect and respond to faults by sending signals to circuit breakers or other devices to isolate the faulted section of the system. Relays can be classified into different types, such as overcurrent, distance, differential, directional, frequency, voltage and impedance relays. Relays can also be classified based on their operating principle, such as electromagnetic, thermal, electronic and microprocessor-based relays.
Circuit breakers: Circuit breakers are devices that interrupt the flow of electric current when a fault is detected by a relay. Circuit breakers can be classified into different types, such as oil, air, vacuum and gas circuit breakers. Circuit breakers can also be classified based on their operating mechanism, such as spring, hydraulic and pneumatic circuit breakers.
Coordination: Coordination is the process of selecting and setting the relays and circuit breakers in a power system to ensure that only the minimum necessary portion of the system is isolated when a fault occurs. Coordination involves the analysis of time-current curves, impedance diagrams and other methods to determine the optimal settings and characteristics of the protective devices.
Stability: Stability is the ability of a power system to maintain synchronism and equilibrium under normal and abnormal conditions. Stability can be affected by faults, load changes, generation changes and other disturbances. Stability can be classified into different types, such as steady-state, transient and dynamic stability.
These are some of the basic concepts and terms that are essential for understanding the principles and applications of protective relaying. For more details and examples, please refer to the book Protective Relaying: Principles and Applications, Second Edition, by J. Lewis Blackburn and Thomas J. Domin. aa16f39245